The performance of such a set-up depends on various parameters and is not only determined by the HD/SDI interface card. The Graphic Board Check (PDF) table shows some example set-ups as well as the measured performance using certain HD/SDI interfaces.

Limitations:

Stereo 3D output is not supported.

At this point, 4k output via HD-SDI is not real-time capable.

The minimally required driver version is 9.7.7.

HD-SDI output is a feature exclusive to easyDCP Player+. It is not available in the basic edition.